Riverfield has realized a robot arm using a hybrid structure of air and electricity with precision control technology of a pneumatic system that is not only precise but also has the gentleness of a human hand. The pneumatic control has no gearbox, and the arm tip is designed for easy maintenance. We sincerely listen to the voices of the medical field and support high-quality minimally invasive surgeries that can be performed with peace of mind by patients, doctors, and nurses.